CN109587983B - Electrical box and device with same - Google Patents
Electrical box and device with same Download PDFInfo
- Publication number
- CN109587983B CN109587983B CN201811332370.XA CN201811332370A CN109587983B CN 109587983 B CN109587983 B CN 109587983B CN 201811332370 A CN201811332370 A CN 201811332370A CN 109587983 B CN109587983 B CN 109587983B
- Authority
- CN
- China
- Prior art keywords
- outlet
- rib
- wall
- wire
- electrical box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000000903 blocking effect Effects 0.000 claims abstract description 52
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 28
- 210000003205 muscle Anatomy 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
Abstract
The invention provides an electrical box and a device with the electrical box, comprising: the box body is provided with a containing cavity suitable for containing the circuit board, the box body is provided with at least one wire outlet communicated with the containing cavity, and the wire outlet is suitable for leading out a wire connected with the circuit board; the at least one blocking rib is arranged corresponding to the outlet, extends from a first port wall of the outlet to a direction away from the outlet, and extends towards a second port wall opposite to the first port wall; and the projection of the blocking rib on the side wall of the box body where the wire outlet is located covers the wire outlet. On one hand, the lead connected with the circuit board can be led out through the gap between the blocking rib and the wire outlet, and on the other hand, when the circuit board faults cause the internal fire of the electric appliance box, flame which is fleed out from the wire outlet can be blocked by the blocking rib and cannot be directly fleed out of the electric appliance box through the wire outlet, so that the safety of the electric appliance box can be effectively improved.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to an electric appliance box and a device with the same.
Background
Air cleaners are generally designed with electrical boxes for placement of circuit boards. Its primary function is to block flame to a certain extent when the circuit board fails to burn. The side wall of the electrical box is usually designed with a wire outlet hole for leading out the wiring connected with the circuit board. However, the wire outlet hole on the existing electrical box is generally a notch simply formed in the side wall of the electrical box, so that when the circuit board fails and fires, flames are very easy to outwards jump out from the wire outlet hole, and flames generated when the circuit board in the electrical box fails cannot be effectively blocked.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the electrical box in the prior art cannot effectively block flames generated when the circuit board fails, so as to provide the electrical box capable of effectively blocking flames generated when the circuit board fails and the device with the electrical box.
The invention provides an electrical box, comprising:
the box body is provided with a containing cavity suitable for containing the circuit board, the box body is provided with at least one wire outlet communicated with the containing cavity, and the wire outlet is suitable for leading out a wire connected with the circuit board;
the at least one blocking rib is arranged corresponding to the outlet, extends from the first port wall of the outlet to the direction away from the outlet, and extends towards the side, opposite to the first port wall, of the outlet; and the projection of the blocking rib on the side wall of the box body where the wire outlet is located covers the wire outlet.
The rib extends from the first port wall to the outside of the box body.
The rib comprises:
a first baffle extending from the first port wall in a direction away from the outlet port and being inclined toward a side of the outlet port opposite to the first port wall in a process of being away from the outlet port;
and the second baffle is arranged at the end, far away from the first port wall, of the first baffle, extends towards one side, opposite to the first port wall, of the outlet, and is arranged at intervals with the outlet.
The side of the outlet opposite to the first port wall is a second port wall of the outlet.
And the projection of the blocking rib on the side wall of the box body where the wire outlet is positioned covers the second port wall.
The first port wall and the second port wall are respectively side walls which are oppositely arranged on the outlet.
The wire outlet is further provided with a first limiting rib which is suitable for bearing a wire, and the first limiting rib extends from the bottom wall of the wire outlet to the blocking rib in a direction away from the wire outlet.
And an opening is formed in the top of the outlet.
The wire outlet is further provided with at least one second limiting rib, the second limiting rib extends from the second opening wall to the blocking rib, and the second limiting rib and the blocking rib form a limiting channel which is suitable for accommodating the wire.
And the second limiting rib inclines towards the first port wall in the process of extending away from the outlet.
The top of the box body is covered by a box cover of the electric appliance box, a protruding part extends out of the side wall of the box cover at the corresponding position of the outlet, and the shape of the protruding part is matched with that of the blocking rib so as to cover the top of a cavity formed between the blocking rib and the outlet.
And one end of the protruding part, which is far away from the first port wall, extends out of the box body to form a third limiting rib, and the third limiting rib is matched with the first limiting rib to limit the lead between the first limiting rib and the third limiting rib.
The top surface of the box cover of the electric box is provided with at least one concave part, and the concave part is provided with a plurality of heat dissipation through holes.
The invention also provides a device with the electrical box, which comprises the electrical box.
The device with the electrical box is an air purifier.
The technical scheme of the invention has the following advantages:
1. the invention provides an electrical box, comprising: the box body is provided with a containing cavity suitable for containing the circuit board, the box body is provided with at least one wire outlet communicated with the containing cavity, and the wire outlet is suitable for leading out a wire connected with the circuit board; the at least one blocking rib is arranged corresponding to the outlet, extends from the first port wall of the outlet to the direction away from the outlet, and extends towards the side, opposite to the first port wall, of the outlet; and the projection of the blocking rib on the side wall of the box body where the wire outlet is located covers the wire outlet. The blocking rib is arranged at the outlet, and the projection of the blocking rib on the side wall of the box body where the outlet is located covers the outlet, so that on one hand, a wire connected with the circuit board can be led out through a gap between the blocking rib and the outlet, and on the other hand, when the circuit board faults cause a fire in the electric box, flame which is fleed out of the outlet can be blocked by the blocking rib and cannot directly flee out of the electric box through the outlet, and therefore the flame can be effectively blocked, and the safety of the electric box is improved. Meanwhile, the blocking mode of the blocking rib has the advantages of being simple in structure, easy to mold, convenient to install the lead and the like.
2. According to the electrical box provided by the invention, the blocking rib extends from the first port wall to the outside of the box body. Therefore, the blocking ribs can block flame sprayed out of the wire outlet when the circuit board fails and fires, the blocking ribs can be prevented from occupying the space in the electrical box, and meanwhile, the installation difficulty of the lead can be reduced.
3. According to the electrical box provided by the invention, the projection of the blocking rib on the side wall of the box body where the wire outlet is located covers the second port wall. The projection of the blocking rib on the side wall of the box body where the wire outlet is located can fully cover the wire outlet, so that flame sprayed out of the wire outlet can be more fully blocked when the circuit board breaks down and fires.
4. The electric appliance box provided by the invention is characterized in that the wire outlet is further provided with a first limiting rib which is suitable for bearing a wire, and the first limiting rib extends to the blocking rib from the bottom wall of the wire outlet to the direction away from the wire outlet. The setting of first spacing muscle can carry out more effectual spacing to the wire to the wiring that makes the wire is more regular.
5. According to the electrical box provided by the invention, the top of the wire outlet is provided with the opening. When the wires are installed, the wires can be installed from the openings, and the wires are convenient to wire.
6. The electric appliance box provided by the invention is characterized in that the wire outlet is further provided with at least one second limiting rib, and the second limiting rib extends from the second opening wall towards the blocking rib and forms a limiting channel together with the blocking rib, wherein the limiting channel is suitable for accommodating the lead. The setting of second spacing muscle can compress tightly spacingly with the wire that keeps off the muscle cooperation in the spacing passageway, can effectively prevent on the one hand that the wire from deviate from spacing passageway, on the other hand can prevent that the wire from taking place to rock and the mouth wall of outlet from bump and producing abnormal sound.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective assembly schematic view of an electrical box according to a first embodiment of the present invention with a cover removed;
FIG. 2 is an enlarged schematic view of area A of FIG. 1;
FIG. 3 is a perspective assembly schematic view of the electrical box shown in FIG. 1 after being covered with a box cover;
FIG. 4 is an enlarged schematic view of area B of FIG. 3;
reference numerals illustrate:
the heat-dissipating box comprises a box body 1, a containing cavity 11, a wire outlet 12, a first port wall 121, a second port wall 122, a 123-opening, a 2-blocking rib 21, a first baffle 22, a second baffle 22, a 3-box cover 31, a protruding part 32, a concave part 321, a heat-dissipating through hole 4, a first limiting rib 4, a second limiting rib 5, a third limiting rib 6, a 10-circuit board 20 and a lead.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1 to 4, the embodiment provides an electrical box, which comprises a box body 1, a box cover 3 and a plurality of ribs 2.
The box body 1 is provided with a containing cavity 11 suitable for containing the circuit board 10, the box body 1 is provided with at least one wire outlet 12 communicated with the containing cavity 11, and the wire outlet 12 is suitable for leading out wires 20 connected with the circuit board 10.
The blocking rib 2 is arranged corresponding to the outlet 12, extends from the first port wall 121 of the outlet 12 in a direction away from the outlet 12, and extends towards one side of the outlet 12 opposite to the first port wall 121; and the projection of the blocking rib 2 on the side wall of the box body 1 where the wire outlet 12 is positioned covers the wire outlet 12.
By arranging the blocking rib 2 at the outlet 12 and enabling the projection of the blocking rib 2 on the side wall of the box body 1 where the outlet 12 is positioned to cover the outlet 12, on one hand, a lead 20 connected with the circuit board 10 can be led out through a gap between the blocking rib 2 and the outlet 12, and on the other hand, when the circuit board 10 fails to cause a fire in the electrical box, flame which is fleed from the outlet 12 can be blocked by the blocking rib 2 and cannot be fleed out of the electrical box directly through the outlet 12, so that the flame can be effectively blocked, and the safety of the electrical box is improved. Meanwhile, the blocking mode of the blocking rib 2 has the advantages of being simple in structure, easy to mold, convenient to install the lead 20 and the like.
The specific number of the ribs 2 is not limited as long as it is set corresponding to the outlet 12, that is, one rib 2 is set at one outlet 12. In this embodiment, there are a plurality of outlets 12, and a plurality of ribs 2 are correspondingly disposed. As an alternative embodiment, when there is only one outlet 12 in some electrical boxes, only one rib 2 may be provided.
The specific location of the rib 2 at the outlet 12 may be varied, and in this embodiment, the rib 2 extends from the first opening wall 121 to the outside of the box body 1. Therefore, the blocking rib 2 can block flame sprayed out from the wire outlet 12 when the circuit board 10 breaks down and fires, the blocking rib 2 can be prevented from occupying the space in the electrical box, and the installation difficulty of the lead 20 can be reduced. As an alternative embodiment, the rib 2 may extend from the first port wall 121 into the case 1.
The specific structural form of the rib 2 may be various, and in this embodiment, the rib 2 includes a first baffle 21 and a second baffle 22.
The first baffle 21 extends from the first port wall 121 in a direction away from the outlet 12, and is inclined toward a side of the outlet 12 opposite to the first port wall 121 in a process of being away from the outlet 12.
The second baffle 22 extends from one end of the first baffle 21 away from the first port wall 121 toward the side of the outlet 12 opposite to the first port wall 121 and is disposed at a distance from the outlet 12.
As an alternative embodiment, the rib 2 may also be a straight arc-shaped baffle.
In the present embodiment, the opposite side of the outlet 12 from the first port wall 121 is the second port wall 122 of the outlet 12.
The extension length of the rib 2 is not limited, and the projection on the side wall of the box body 1 where the outlet 12 is located can cover the outlet 12. In this embodiment, the projection of the rib 2 on the side wall of the box 1 where the outlet 12 is located covers the second opening wall 122. Therefore, the projection of the blocking rib 2 on the side wall of the box body 1 where the wire outlet 12 is located can fully cover the wire outlet 12, so that flame sprayed from the wire outlet 12 can be more fully blocked by the blocking rib 2 when the circuit board 10 breaks down and fires. As an alternative embodiment, it is also possible that the projection of the rib 2 on the side wall of the box 1 where the outlet 12 is located just covers the outlet 12, but not the second outlet wall 122.
In this embodiment, the first port wall 121 and the second port wall 122 are two opposite side walls of the outlet 12. As an alternative embodiment, the first port wall 121 may be a bottom wall of the outlet 12.
The outlet 12 is also provided with a first limiting rib 4 which is suitable for bearing the lead 20, and the first limiting rib 4 extends to the blocking rib 2 from the bottom wall of the outlet 12 to the direction far away from the outlet 12. The setting of first spacing muscle 4 can carry out more effectual spacing to wire 20 to make wire 20's wiring more standardize neatly. As an alternative embodiment, the first stop bead 4 may not be provided.
In this embodiment, the top of the outlet 12 is provided with an opening 123. When the wire 20 is installed, the wire 20 may be fitted from the opening 123, facilitating the wiring of the wire 20. As an alternative embodiment, the side of the outlet 12 opposite the first port wall 121 may be the opening 123 described above, instead of the second port wall 122 of the outlet 12. As an alternative embodiment, the top of the outlet 12 may be provided with a top wall instead of the opening 123.
The outlet 12 is also provided with at least one second limiting rib 5, and the second limiting rib 5 extends from the second opening wall 122 towards the blocking rib 2 and forms a limiting channel together with the blocking rib 2, which is suitable for accommodating the lead 20. The setting of second spacing muscle 5 can compress tightly spacingly with fender muscle 2 cooperation to wire 20 in the spacing passageway, can effectively prevent on the one hand that wire 20 from deviate from the spacing passageway, on the other hand can prevent that wire 20 from taking place to rock and the mouth wall of outlet 12 from bumping and producing abnormal sound. As an alternative embodiment, the second stop bead 5 may not be provided.
The second stop rib 5 is inclined toward the first port wall 121 in the process of extending away from the outlet 12. As an alternative embodiment, the second stop rib 5 may also be inclined away from the first port wall 121 during extension away from the outlet 12.
In this embodiment, the top of the box body 1 is covered by the box cover 3 of the electrical box, the side wall of the box cover 3 extends out of the protruding portion 31 at the corresponding position of the outlet 12, and the shape of the protruding portion 31 is matched with the shape of the blocking rib 2, so as to cover the top of the cavity formed between the blocking rib 2 and the outlet 12.
In order to further prevent the wire 20 from falling out of the cavity formed between the rib 2 and the outlet 12, and further prevent the wire 20 from shaking and colliding with the wall of the outlet 12 to generate abnormal sound, in this embodiment, the end of the protruding portion 31 away from the first wall 121 extends toward the box 1 to form a third spacing rib 6, and the third spacing rib 6 cooperates with the first spacing rib 4 to limit the wire 20 between the first spacing rib 4 and the third spacing rib 6.
The top surface of the box cover 3 of the electrical box is provided with at least one concave part 32, and the concave part 32 is provided with a plurality of heat dissipation through holes 321. Through setting up the heat dissipation through-hole 321 on the depressed part 32, can prevent that the heat dissipation through-hole 321 from being shutoff when electric box lid 3 top and other parts are assembled to can carry out more abundant effectual heat dissipation. As an alternative embodiment, the top surface of the cover 3 may be formed with only one recess 32.
The embodiment also provides an air purifier, which comprises the electrical box. As an alternative embodiment, the air purifier can also be replaced by other devices with electrical boxes.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (12)
1. An electrical box, comprising:
the box body (1) is provided with a containing cavity (11) suitable for containing the circuit board (10), the box body (1) is provided with at least one wire outlet (12) communicated with the containing cavity (11), and the wire outlet (12) is suitable for leading out a wire (20) connected with the circuit board (10);
at least one blocking rib (2) is arranged corresponding to the outlet (12), extends from a first port wall (121) of the outlet (12) to a direction away from the outlet (12), and extends towards one side of the outlet (12) opposite to the first port wall (121); the projection of the blocking rib (2) on the side wall of the box body (1) where the wire outlet (12) is located covers the wire outlet (12);
the wire outlet (12) is also provided with a first limit rib (4) which is suitable for bearing a wire (20), and the first limit rib (4) extends to the baffle rib (2) from the bottom wall of the wire outlet (12) to the direction away from the wire outlet (12);
the top of the box body (1) is covered by a box cover (3) of the electric box, a protruding part (31) extends out of the side wall of the box cover (3) at the corresponding position of the outlet (12), and the shape of the protruding part (31) is matched with the shape of the blocking rib (2) so as to cover the top of a cavity formed between the blocking rib (2) and the outlet (12);
one end of the protruding portion (31) away from the first port wall (121) faces the box body (1) and extends to form a third limiting rib (6), and the third limiting rib (6) is matched with the first limiting rib (4) to limit the lead (20) between the first limiting rib (4) and the third limiting rib (6).
2. The electrical box according to claim 1, characterized in that the ribs (2) extend out of the box body (1) from the first mouth wall (121).
3. The electrical box according to claim 1, characterized in that the rib (2) comprises:
a first baffle (21) extending from the first port wall (121) in a direction away from the outlet port (12) and inclined toward a side of the outlet port (12) opposite to the first port wall (121) in a process of being away from the outlet port (12);
and a second baffle (22) which is arranged at a distance from the outlet (12) and extends from one end of the first baffle (21) away from the first port wall (121) towards the side of the outlet (12) opposite to the first port wall (121).
4. An electrical box according to any one of claims 1-3, characterized in that the side of the outlet (12) opposite the first outlet wall (121) is a second outlet wall (122) of the outlet (12).
5. The electrical box according to claim 4, characterized in that the projection of the rib (2) on the side wall of the box body (1) where the outlet (12) is located covers the second mouth wall (122).
6. The electrical box according to claim 4, characterized in that the first and second mouth walls (121, 122) are side walls of the outlet (12) arranged opposite each other.
7. The electrical box according to claim 6, characterized in that the top of the outlet (12) is provided with an opening (123).
8. The electrical box according to claim 4, wherein the outlet (12) is further provided with at least one second limiting rib (5), and the second limiting rib (5) extends from the second opening wall (122) towards the blocking rib (2) and forms a limiting channel together with the blocking rib (2) for accommodating the conducting wire (20).
9. The electrical box according to claim 8, characterized in that the second stop rib (5) is inclined towards the first mouth wall (121) during extension away from the outlet (12).
10. An electrical box according to any one of claims 1-3, wherein at least one recess (32) is formed on the top surface of the box cover (3) of the electrical box, and a plurality of heat dissipation through holes (321) are formed in the recess (32).
11. A device with an electrical box, characterized in that it comprises an electrical box according to any one of claims 1-10.
12. The device with electrical box of claim 11, wherein the device with electrical box is an air purifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811332370.XA CN109587983B (en) | 2018-11-09 | 2018-11-09 | Electrical box and device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811332370.XA CN109587983B (en) | 2018-11-09 | 2018-11-09 | Electrical box and device with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109587983A CN109587983A (en) | 2019-04-05 |
| CN109587983B true CN109587983B (en) | 2024-04-12 |
Family
ID=65921913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811332370.XA Active CN109587983B (en) | 2018-11-09 | 2018-11-09 | Electrical box and device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109587983B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110087419B (en) * | 2019-05-24 | 2024-04-16 | 珠海格力电器股份有限公司 | Safety box assembly and air conditioner indoor unit with same |
| CN113489311B (en) * | 2021-08-19 | 2022-03-18 | 江苏博乐电力能源装备有限公司 | DC-DC switching power supply |
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| WO2009060659A1 (en) * | 2007-11-09 | 2009-05-14 | Sharp Kabushiki Kaisha | Opening cover apparatus and air conditioning apparatus provided with the same |
| CN203407127U (en) * | 2013-08-29 | 2014-01-22 | 珠海格力电器股份有限公司 | Electric device box |
| CN106061176A (en) * | 2016-07-13 | 2016-10-26 | 珠海格力电器股份有限公司 | Electric box component and air conditioner having electric box component |
| CN106300171A (en) * | 2016-10-21 | 2017-01-04 | 珠海格力电器股份有限公司 | Fixture wire structure and electrical appliance kit |
| CN206894175U (en) * | 2017-05-11 | 2018-01-16 | 广州美的华凌冰箱有限公司 | Terminal box and refrigerator |
| CN209462783U (en) * | 2018-11-09 | 2019-10-01 | 珠海格力电器股份有限公司 | Electrical appliance kit and device with electrical appliance kit |
-
2018
- 2018-11-09 CN CN201811332370.XA patent/CN109587983B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009060659A1 (en) * | 2007-11-09 | 2009-05-14 | Sharp Kabushiki Kaisha | Opening cover apparatus and air conditioning apparatus provided with the same |
| CN203407127U (en) * | 2013-08-29 | 2014-01-22 | 珠海格力电器股份有限公司 | Electric device box |
| CN106061176A (en) * | 2016-07-13 | 2016-10-26 | 珠海格力电器股份有限公司 | Electric box component and air conditioner having electric box component |
| CN106300171A (en) * | 2016-10-21 | 2017-01-04 | 珠海格力电器股份有限公司 | Fixture wire structure and electrical appliance kit |
| CN206894175U (en) * | 2017-05-11 | 2018-01-16 | 广州美的华凌冰箱有限公司 | Terminal box and refrigerator |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109587983A (en) | 2019-04-05 |
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